Propeller incorporating a secondary propulsion system

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United States of America Patent

PATENT NO 9701379
APP PUB NO 20150217845A1
SERIAL NO

14419100

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Abstract

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THIS invention relates to a propeller and more particularly, but not exclusively, to a propeller for use with inboard and outboard boat engines. The propeller includes a hollow hub and a plurality of primary blades extending substantially radially outwardly from the hub, with each primary blade including a blade face, a blade back and a root section. The propeller is characterized in that a set of secondary blades are provided inside the hub, and that an inner volume of the hub is in flow communication with a volume radially outwardly of the propeller hub.

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Patent Owner(s)

Patent OwnerAddress
HAWKINS RUSSEL IANNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hawkins, Russel Ian Johannesburg, ZA 5 54

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